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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (c) 2004-2011 QOS.ch<a name="line.2"></a>
<span class="sourceLineNo">003</span> * All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * Permission is hereby granted, free  of charge, to any person obtaining<a name="line.5"></a>
<span class="sourceLineNo">006</span> * a  copy  of this  software  and  associated  documentation files  (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "Software"), to  deal in  the Software without  restriction, including<a name="line.7"></a>
<span class="sourceLineNo">008</span> * without limitation  the rights to  use, copy, modify,  merge, publish,<a name="line.8"></a>
<span class="sourceLineNo">009</span> * distribute,  sublicense, and/or sell  copies of  the Software,  and to<a name="line.9"></a>
<span class="sourceLineNo">010</span> * permit persons to whom the Software  is furnished to do so, subject to<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the following conditions:<a name="line.11"></a>
<span class="sourceLineNo">012</span> *<a name="line.12"></a>
<span class="sourceLineNo">013</span> * The  above  copyright  notice  and  this permission  notice  shall  be<a name="line.13"></a>
<span class="sourceLineNo">014</span> * included in all copies or substantial portions of the Software.<a name="line.14"></a>
<span class="sourceLineNo">015</span> *<a name="line.15"></a>
<span class="sourceLineNo">016</span> * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,<a name="line.16"></a>
<span class="sourceLineNo">017</span> * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF<a name="line.17"></a>
<span class="sourceLineNo">018</span> * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND<a name="line.18"></a>
<span class="sourceLineNo">019</span> * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE<a name="line.19"></a>
<span class="sourceLineNo">020</span> * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION<a name="line.20"></a>
<span class="sourceLineNo">021</span> * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION<a name="line.21"></a>
<span class="sourceLineNo">022</span> * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> */<a name="line.24"></a>
<span class="sourceLineNo">025</span>package org.slf4j.impl;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Random;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.log4j.AppenderSkeleton;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.log4j.spi.LoggingEvent;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.slf4j.Logger;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.slf4j.LoggerFactory;<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>public class RecursiveAppender extends AppenderSkeleton {<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>    int diff = new Random().nextInt();<a name="line.38"></a>
<span class="sourceLineNo">039</span>    int activationDelay = 0;<a name="line.39"></a>
<span class="sourceLineNo">040</span>    String loggerName = "org.slf4j.impl.RecursiveAppender" + diff;<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>    List&lt;LoggingEvent&gt; events = new ArrayList&lt;LoggingEvent&gt;();<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span>    public RecursiveAppender() {<a name="line.44"></a>
<span class="sourceLineNo">045</span>        System.out.println("entering RecursiveAppender constructor");<a name="line.45"></a>
<span class="sourceLineNo">046</span>        Logger logger = LoggerFactory.getLogger(loggerName);<a name="line.46"></a>
<span class="sourceLineNo">047</span>        logger.info("Calling a logger in the constructor");<a name="line.47"></a>
<span class="sourceLineNo">048</span>        System.out.println("exiting RecursiveAppender constructor");<a name="line.48"></a>
<span class="sourceLineNo">049</span>    }<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>    protected void append(LoggingEvent e) {<a name="line.51"></a>
<span class="sourceLineNo">052</span>        events.add(e);<a name="line.52"></a>
<span class="sourceLineNo">053</span>    }<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span>    public void close() {<a name="line.55"></a>
<span class="sourceLineNo">056</span>    }<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>    public boolean requiresLayout() {<a name="line.58"></a>
<span class="sourceLineNo">059</span>        return false;<a name="line.59"></a>
<span class="sourceLineNo">060</span>    }<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span>    @Override<a name="line.62"></a>
<span class="sourceLineNo">063</span>    public void activateOptions() {<a name="line.63"></a>
<span class="sourceLineNo">064</span>        System.out.println("entering RecursiveAppender.activateOptions");<a name="line.64"></a>
<span class="sourceLineNo">065</span>        if (activationDelay &gt; 0) {<a name="line.65"></a>
<span class="sourceLineNo">066</span>            Logger logger = LoggerFactory.getLogger(loggerName);<a name="line.66"></a>
<span class="sourceLineNo">067</span>            logger.info("About to wait {} millis", activationDelay);<a name="line.67"></a>
<span class="sourceLineNo">068</span>            try {<a name="line.68"></a>
<span class="sourceLineNo">069</span>                Thread.sleep(activationDelay);<a name="line.69"></a>
<span class="sourceLineNo">070</span>            } catch (InterruptedException e) {<a name="line.70"></a>
<span class="sourceLineNo">071</span>                e.printStackTrace();<a name="line.71"></a>
<span class="sourceLineNo">072</span>            }<a name="line.72"></a>
<span class="sourceLineNo">073</span>            logger.info("Done waiting {} millis", activationDelay);<a name="line.73"></a>
<span class="sourceLineNo">074</span>        }<a name="line.74"></a>
<span class="sourceLineNo">075</span>        super.activateOptions();<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span>        System.out.println("exiting RecursiveAppender.activateOptions");<a name="line.77"></a>
<span class="sourceLineNo">078</span>    }<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span>    public int getActivationDelay() {<a name="line.80"></a>
<span class="sourceLineNo">081</span>        return activationDelay;<a name="line.81"></a>
<span class="sourceLineNo">082</span>    }<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span>    public void setActivationDelay(int activationDelay) {<a name="line.84"></a>
<span class="sourceLineNo">085</span>        this.activationDelay = activationDelay;<a name="line.85"></a>
<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span>}<a name="line.88"></a>




























































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